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19 May, 17:39

Two times the first number added to the second number is - 7

Five times the first number added to the second number is - 13

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  1. 19 May, 17:54
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    2a+b=-7

    5a+b=-13

    b=-2a-7

    5a-2a-7=-13

    3a=-6

    a=-2=first number

    2 (-2) + b=-7

    -4+b+-7

    b=-3=second
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